Johnson Controls TopClean AS - Manual (Page 11)

9 IM-AS/02.00 GB (0412)
10.0 Seals
All centrifugal pumps of the AS series are fitted with unified mechanical seals according
to DIN 24960 - ISO 3069 standards, in order to grant the interchangeability (subject to
verification of axial space). The type of mechanical seal and material are chosen
according to the liquid to be pumped.
Mechanical seal types conforming to DIN 24960
• T execution: Standard – Internal single mechanical seal
• V execution: External single mechanical seal with external
flushing/quench.
• Q execution: Compact double mechanical seal back-to-back,
high pressure flush
Warning: before using the pump for any liquids other than those specified when
selecting and ordering, ensure that mechanical seals and gaskets are suitable for the new
product.